package org.alex.samples.web;

import java.io.File;

import javax.servlet.http.HttpSession;

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

@Controller
public class FileUploadController {
	@RequestMapping(value ="/upload")
	public String upload(@RequestParam(value = "file", required = false) MultipartFile file, 
			HttpSession session,ModelMap model) {		
		if(file!=null){
		String path = session.getServletContext().getRealPath("upload");
		String fileName = file.getOriginalFilename();
		System.out.println(path);		
		File targetFile = new File(path, fileName);
		if (!targetFile.exists()) {
			targetFile.mkdirs();
		}		
		// 保存
		try {
			file.transferTo(targetFile);
		} catch (Exception e) {
			e.printStackTrace();
		}			
		model.addAttribute("message", "Upload successfully.");
		}
		return "file/fileUpload";
	}
}
